Home / 4,820.96-7,219.11-4,271.48

Finding the Fourth Proportional to 4,820.96, 7,219.11 and 4,271.48

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Solution

The fourth proportional to 4,820.96, 7,219.11 and 4,271.48 is: 6,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.96 : 7,219.11 = 4,271.48 : x
  2. Step 2: Convert to fraction form
    4,820.96/7,219.11 = 4,271.48/x
  3. Step 3: Cross multiply
    4,820.96x = 7,219.11 × 4,271.48
  4. Step 4: Simplify right side
    4,820.96x = 30,836,283.98
  5. Step 5: Solve for x
    x = 30,836,283.98/4,820.96
  6. Step 6: Final answer
    x = 6,396.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.